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  1. Enginuitor

    Whoops!

    Just a reminder to everyone to use sufficient work lighting when sticking probes into live high-power circuits... I couldn't really see what I was doing, and managed to convert the last several millimeters of my nice needle probe into plasma by inadvertent contact with two adjacent power traces...
  2. Enginuitor

    Help with power supply repair

    The other day I stopped by Halted Specialties Company in Santa Rosa (an electronics surplus place) and managed to talk them down to $25 for a large 0-40VDC @ 0-10A lab supply. It's by "Power Ten Inc." and the model number is 3101-4010. It's a big rackmount chassis with a pretty basic design...
  3. Enginuitor

    PSU repair, found strange cap, need guidance

    I recently stopped by HSC (a local surplus place) and found a big old lab power supply that came from the Lockheed Martin labs in Sacramento. Standard 4-knob controls (coarse/fine on both voltage and current), analog meters. 0-40 VDC @ 0-10 amps! Only problem was, it didn't work. So I managed to...
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